Gallacher, who is divorced from ex-rugby union player Paul Sampson, had been on her way to meet her children for a day out at Windsor Castle when she was approached by officers from Thames Valley Police, the court was told on Monday (September 4).

Virginia Water resident Ms Gallacher was seen driving erratically by witnesses in the town.

Officers tracked her parked BMW X4 using CCTV.

Police conducted a roadside breathalyser test which showed her alcohol level was at 106 microgrammes in 100 millilitres of breath, the Mirror reported .